Three Vouchers & Cashback 2022

Updated June 29, 2022
Getting the best mobile, broadband and SIM plan for your home and handsets is easy with Three! Browse our Three vouchers and Three discount codes for extra savings.

20%
OFF
2 uses today

Three Student Discount: Reduced upfront fees, unlimited data, and more deals for up to 20% off

Take advantage of exclusive deals with the Three student discount - shop top phones at a reduced price, enjoy unlimited data for less, and more special perks.
20% Off
2 uses today

Three Student Discount: Reduced upfront fees, unlimited data, and more deals for up to 20% off

Take advantage of exclusive deals with the Three student discount - shop top phones at a reduced price, enjoy unlimited data for less, and more special perks.

10%
OFF

10% off select SIM-only phone plans for existing customers

Existing customers can nab an additional 10% off select SIM-only plans at Three mobile.
10% Off

10% off select SIM-only phone plans for existing customers

Existing customers can nab an additional 10% off select SIM-only plans at Three mobile.

FROM
£10

Top phone deals from £10 with £0 upfront fees

From £10

Top phone deals from £10 with £0 upfront fees

£600
OFF

Trade in your old devices for up to £600 off

Don't chuck your old devices away! Take advantage of this Three deal to get up to £600 off any new device when you recycle your old handsets, tablets, or smartwatches.
£600 Off

Trade in your old devices for up to £600 off

Don't chuck your old devices away! Take advantage of this Three deal to get up to £600 off any new device when you recycle your old handsets, tablets, or smartwatches.

FREE
DELIVERY

Free next-day delivery on all online orders

Get your phones, tablets, and laptops delivered the following business day with free next-day delivery on all online purchase from Three mobile.
Free Delivery

Free next-day delivery on all online orders

Get your phones, tablets, and laptops delivered the following business day with free next-day delivery on all online purchase from Three mobile.

£250 BACK
1 use today

Up to £250 cashback when you switch to Three

Claim this Three cashback deal with £200-£250 back on select devices when you switch.
£250 Back
1 use today

Up to £250 cashback when you switch to Three

Claim this Three cashback deal with £200-£250 back on select devices when you switch.

£2
OFF
2 uses today

Existing Customer Deals: SIM-only offers from £5/month (up to £2 off)

£2 Off
2 uses today

Existing Customer Deals: SIM-only offers from £5/month (up to £2 off)

£16

Limited Time - 100GB data for £16 a month

£16

Limited Time - 100GB data for £16 a month

50%
OFF
2 uses today

50% off SIM-only phone plans for the first 6 months

Take advantage of this SIM-Only half-price deal! Grab a phone plan at Three and enjoy 50% off your monthly cost for the first 6 months, with prices from as low as £6/month!
50% Off
2 uses today

50% off SIM-only phone plans for the first 6 months

Take advantage of this SIM-Only half-price deal! Grab a phone plan at Three and enjoy 50% off your monthly cost for the first 6 months, with prices from as low as £6/month!

£330
OFF

Family Plan: Two unlimited SIMs for £22/mo (up to £330 in savings)

Enjoy up to £330 in savings over a 24-month SIM-only plan from Three, featuring 2 phone lines with unlimited data, text, and calls for only £22/mo during the first 6 months of your contract.
Get Deal
£330 Off

Family Plan: Two unlimited SIMs for £22/mo (up to £330 in savings)

Enjoy up to £330 in savings over a 24-month SIM-only plan from Three, featuring 2 phone lines with unlimited data, text, and calls for only £22/mo during the first 6 months of your contract.

EXTRA DATA

Summer Data Boost: 8-10 GB extra data with a Pay As You Go SIM

Extra Data

Summer Data Boost: 8-10 GB extra data with a Pay As You Go SIM

2X DATA

Summer Offer - Up to 2X data boost starting from £10

2X Data

Summer Offer - Up to 2X data boost starting from £10

£250 BACK

Samsung Galaxy S22 from £57/mo with £80 upfront + £75-£250 cashback

Nab yourself a prepaid MasterCard with up to £250 cashback when you switch to Three and purchase a Samsung Galaxy S22 on a qualifying plan.
£250 Back

Samsung Galaxy S22 from £57/mo with £80 upfront + £75-£250 cashback

Nab yourself a prepaid MasterCard with up to £250 cashback when you switch to Three and purchase a Samsung Galaxy S22 on a qualifying plan.

£200 BACK

Apple iPhones with up to £200 cashback when you switch

Switch to Three and pick-up a new Apple iPhone to nab up to £200 cashback on a prepaid MasterCard this season.
£200 Back

Apple iPhones with up to £200 cashback when you switch

Switch to Three and pick-up a new Apple iPhone to nab up to £200 cashback on a prepaid MasterCard this season.

£5
OFF

£5 off the Apple Watch Series 7 for your first 6 months

Grab the Apple Watch 7 at Three for just £20/mo for your first 6 months - that's £5 off your bill, for a limited time.
Get Deal
£5 Off

£5 off the Apple Watch Series 7 for your first 6 months

Grab the Apple Watch 7 at Three for just £20/mo for your first 6 months - that's £5 off your bill, for a limited time.

£100 BONUS

Bonus £100 pre-paid Mastercard with select SIMs

Switch to a 12-24 month SIM Only plan with unlimited text and minutes to receive a bonus Mastercard of £100 off.
£100 Bonus

Bonus £100 pre-paid Mastercard with select SIMs

Switch to a 12-24 month SIM Only plan with unlimited text and minutes to receive a bonus Mastercard of £100 off.

£5
OFF
1 use today

£5 off monthly with recurring payment methods

£5 Off
1 use today

£5 off monthly with recurring payment methods

£100 BACK
1 use today

£100 cashback on the unlimited SIM-only plan for £11/month (50% off)

For a limited time only, when you get the unlimited SIM-only plan for £11 per month at Three, you can claim £100 back on a prepaid MasterCard.
Get Deal
£100 Back
1 use today

£100 cashback on the unlimited SIM-only plan for £11/month (50% off)

For a limited time only, when you get the unlimited SIM-only plan for £11 per month at Three, you can claim £100 back on a prepaid MasterCard.

50%
OFF

2-Year Offer: 6-months of 30GB for £7 per month (50% off)

50% Off

2-Year Offer: 6-months of 30GB for £7 per month (50% off)

50%
OFF

SIM-only plans with unlimited data for £10/month for the first 6 months (50% off)

Pay a small fee of £10 per month with these Three SIM Only plans! Save 50% off now with a 24-month Advanced plan.
Get Deal
50% Off

SIM-only plans with unlimited data for £10/month for the first 6 months (50% off)

Pay a small fee of £10 per month with these Three SIM Only plans! Save 50% off now with a 24-month Advanced plan.

£200 BACK

Apple iPhone 13 from £54/mo with £200 cashback when you switch

Get the new Apple iPhone 13 from Three for £54/mo with an upfront fee of £50, and you'll be eligible to claim £200 cashback if you switch networks.
£200 Back

Apple iPhone 13 from £54/mo with £200 cashback when you switch

Get the new Apple iPhone 13 from Three for £54/mo with an upfront fee of £50, and you'll be eligible to claim £200 cashback if you switch networks.

FREE
SUBSCRIPTION

3 months of Apple TV for free with any iPhone, iPad, or Home Broadband purchase

Free Subscription

3 months of Apple TV for free with any iPhone, iPad, or Home Broadband purchase

FREE
GIFT

Free Chromebook laptop with the 5G broadband plan for £30/month

Score a free Chromebook laptop when you order the 5G home broadband internet from Three mobile for just £30 per month.
Free Gift

Free Chromebook laptop with the 5G broadband plan for £30/month

Score a free Chromebook laptop when you order the 5G home broadband internet from Three mobile for just £30 per month.

FREE
MONTHS

3-months free of 5G home broadband

Enjoy 3 months’ worth of bills in cashback when you set up the 5G home broadband.
Free Months

3-months free of 5G home broadband

Enjoy 3 months’ worth of bills in cashback when you set up the 5G home broadband.

REWARDS

Three Plus Offers: App exclusive rewards for members

Enjoy up to 20% off at Uber Eats, £3 off movie tickets at CineWorld, and more members only perks by downloading the Three Plus app today!
Rewards

Three Plus Offers: App exclusive rewards for members

Enjoy up to 20% off at Uber Eats, £3 off movie tickets at CineWorld, and more members only perks by downloading the Three Plus app today!

FREE
SIM

FREE Pay As You Go SIM can be ordered here

Free SIM

FREE Pay As You Go SIM can be ordered here

£1
OFF
1 use today

Price Promise: At least £1 less in payments each month

£1 Off
1 use today

Price Promise: At least £1 less in payments each month

FREE
APP

Free Three app available for download

Free App

Free Three app available for download

Popular Expired Three Discount Codes
50% Off

Extra 50% off SIM Only plan with unlimited data fo the first 6 months

Save half price right now with this Three SIM Only offer!
50% Off

50% off this iPhone 13 Pro Screen Protector when you buy an Apple case using this Three discount code

For a limited time only purchase an iPhone Apple Case and save 50% off the 13 Pro InvisibleShield Glass Elite Screen Protector when you use this Three discount code at checkout.
£12 Off

£12 off the Samsung Galaxy S20 monthly plan (now £30)

Pick up the Samsung Galaxy S20 and save £12 with the 30GB monthly plan (which was £12).

Popular Three Voucher Codes

Vouchers and DealsValueDiscount TypeStatus
Three SIM-only deals for over 10% off10% OffOnline DealOngoing
Three voucher for Up to £50 cashback on phone upgrades£50Online VoucherExpired
Three mobile plans for up to 10% off10% OffOnline DealOngoing

Tons Of Easy Savings

Looking for an additional plan or device as an existing customer? They have plenty of awesome Three deals to help you out. Add an extra SIM or device to your existing account or complete a Three upgrade to a shiny new phone in just a few clicks by browsing their “Offers” page online. We’ll also post all of the best Three vouchers and upcoming Three sales right here so you don’t miss out!

If you’re a student on a tight budget, you’re in luck. With their exclusive Three discounts for students, you can get your next phone, SIM, or broadband purchase for less. Just enter your university email address to access a wide range of specials just for students. Whether you’re looking for a 1-month or 12-month SIM plan, they’re undoubtedly the best choice for you.

Downloading Discounts

With the Three app for iOS and Android, anything is possible. From tracking your latest bill and usage to completing your next Three top-up, in just a few taps, the whole world can be yours. Now you can manage your account on the move; some features include viewing your Pay As You Go credit balance, bill breakdowns, checking your upgrade eligibility, and you can even browse the latest Three UK deals to see what’s new. Plus, if you need support from the Three contact team, live chat is always available for your convenience from your device.

Easy Deliveries

They always offer free, next working day delivery on all new purchases when you join! Enjoy this offer on phones, tablets, and MiFi that are ordered before 4 PM for delivery to your billing address. If you upgraded your phone online or over the phone, your new device will be delivered on their chosen date, and you will be charged £4.99 on your next bill— make sure you use a Three discount code or one of our Three voucher codes to save on this fee! If you’re still unsure about making the switch, just read a Three network review to see why customers choose them as their #1 network provider.

FAQs with Three


How do you get the best discount at Three?

The best discounts, deals, and voucher codes can always be found right here at Quidco! You can also browse their exclusive customer offers page, join their mailing list for news about upcoming sales, and choose one of their plan bundles to cut down the cost of your next device!


Does Three do a student discount?

You don't have to sacrifice great cell service when you're on a tight student budget! With a valid academic ID, you can enjoy six months of service at half-price, as well as a free explorer backpack and wireless headphones. Just head to their website for more information on how to save!